Weathering of the blockfields in hirao granodiorite and effects of tunneling construction on the natural environment

Tetsuro Esaki; Kaijun Jiang; A. M. Abdel-Rahman; Yasuhiro Mitani; Guoyun Zhou; Mitsuaki Eguchi

Weathering of the blockfields in hirao granodiorite and effects of tunneling construction on the natural environment

Tetsuro Esaki, Kaijun Jiang, A. M. Abdel-Rahman, Yasuhiro Mitani, Guoyun Zhou, Mitsuaki Eguchi

Research output: Contribution to journal › Article › peer-review

Abstract

Blockfields have been mentioned in the literature for about 100 years and throughout have been a source of contention in terms of their age and weathering origin. In this paper, the evidence is presented from investigation on blockfields in Nagano area, which lies in Northern of Kyushu Island in Japan. Weathering conditions and the geotechnical properties of fresh and weathered rocks have been evaluated; the spatial relation between blockfields and tunnel has been clarified. It is concluded that Nagano blockfields have been formed from weathering of Hirao granodiorite rocks. The effects of highway tunneling construction on blockfields are also discussed.

Original language	English
Pages (from-to)	29-39
Number of pages	11
Journal	Memoirs of the Faculty of Engineering, Kyushu University
Volume	61
Issue number	1
Publication status	Published - Mar 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Energy(all)
Atmospheric Science
Earth and Planetary Sciences(all)
Management of Technology and Innovation

Cite this

Weathering of the blockfields in hirao granodiorite and effects of tunneling construction on the natural environment. / Esaki, Tetsuro; Jiang, Kaijun; Abdel-Rahman, A. M.; Mitani, Yasuhiro; Zhou, Guoyun; Eguchi, Mitsuaki.

In: Memoirs of the Faculty of Engineering, Kyushu University, Vol. 61, No. 1, 03.2001, p. 29-39.

Research output: Contribution to journal › Article › peer-review

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Weathering of the blockfields in hirao granodiorite and effects of tunneling construction on the natural environment

Abstract

All Science Journal Classification (ASJC) codes

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